Home / 127,260.77-190,873.69-70,439.76

Finding the Fourth Proportional to 127,260.77, 190,873.69 and 70,439.76

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Solution

The fourth proportional to 127,260.77, 190,873.69 and 70,439.76 is: 105,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,260.77 : 190,873.69 = 70,439.76 : x
  2. Step 2: Convert to fraction form
    127,260.77/190,873.69 = 70,439.76/x
  3. Step 3: Cross multiply
    127,260.77x = 190,873.69 × 70,439.76
  4. Step 4: Simplify right side
    127,260.77x = 13,445,096,737.82
  5. Step 5: Solve for x
    x = 13,445,096,737.82/127,260.77
  6. Step 6: Final answer
    x = 105,649.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.